Stdev

From Catglobe Wiki
Revision as of 10:09, 7 March 2011 by 127.0.0.1 (talk | contribs) (jrfconvert import)
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
Jump to: navigation, search



stdev

Estimates standard deviation based on a sample. The standard deviation is a measure of how widely values are dispersed from the average value (the mean). All empty values are ignored.

Calculates

776.gif

where x is the sample mean average(DCSColumn)… and n is the sample size

Syntax

stdev(dcsColumn)

Arguments

dcsColumn:  is a numeric dcs column (column whose data type is Number)

Example

stdev(C1) where C2 >2;

Availability

All